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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Helicobacter pylori first-line treatment and rescue option containing levofloxacin in patients allergic to penicillin.

AIM: To assess the efficacy and tolerability of Helicobacter pylori first-line treatment (omeprazole-clarithromycin-metronidazole) and second-line rescue option (omeprazole-clarithromycin-levofloxacin) in patients allergic to penicillin. METHODS: Patients: Prospective multicenter study including consecutive patients allergic to penicillin. Therapy regimens: First-line treatment (50 patients): Omeprazole (20mg b.i.d.), clarithromycin (500 mg b.i.d.) and metronidazole (500 mg b.i.d.) for 7 days. Second-line treatment (15 therapy failures out of the aforementioned 50 patients): Omeprazole (20mg b.i.d.), clarithromycin (500 mg b.i.d.) and levofloxacin (500 mg b.i.d.) for 10 days. Outcome variable: Negative (13)C-urea breath test 8 weeks after completion of treatment. RESULTS: (1) First-line treatment (omeprazole-clarithromycin-metronidazole): Per-protocol and intention-to-treat eradication rates were 55% (27/49; 95%CI=40-70%) and 54% (27/50; 95%CI=39-69%). Compliance with treatment and follow-up was complete in 98% of cases (one patient was not compliant due to nausea). Adverse events were reported in 5 patients (10%): 4 nausea, 1 diarrhoea. (2) Second-line treatment (omeprazole-clarithromycin-levofloxacin): Per-protocol and intention-to-treat eradication rates were both 73% (11/15; 95%CI=45-92%). Compliance with treatment and follow-up was complete in all the cases. Adverse events were reported in 4 patients (20%), which did not prevent the completion of treatment: Mild nausea (2 patients), and vomiting and myalgias/arthralgias (1 patient). CONCLUSION: In H. pylori infected patients allergic to penicillin, the generally recommended first-line treatment with omeprazole, clarithromycin and metronidazole has low efficacy for curing the infection. On the other hand, a levofloxacin-containing regimen (together with omeprazole and clarithromycin) represents an encouraging second-line alternative in the presence of penicillin allergy.[1]

References

  1. Helicobacter pylori first-line treatment and rescue option containing levofloxacin in patients allergic to penicillin. Gisbert, J.P., Pérez-Aisa, A., Castro-Fernández, M., Barrio, J., Rodrigo, L., Cosme, A., Gisbert, J.L., Marcos, S., Moreno-Otero, R. Dig. Liver. Dis (2010) [Pubmed]
 
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